Vulnerability Description
An issue was discovered in mruby 1.4.1. There is a heap-based buffer over-read associated with OP_ENTER because mrbgems/mruby-fiber/src/fiber.c does not extend the stack in cases of many arguments to fiber.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mruby | Mruby | 1.4.1 |
Related Weaknesses (CWE)
References
- https://github.com/mruby/mruby/commit/778500563a9f7ceba996937dc886bd8cde29b42bPatchThird Party Advisory
- https://github.com/mruby/mruby/issues/4038Issue TrackingThird Party Advisory
- https://github.com/mruby/mruby/commit/778500563a9f7ceba996937dc886bd8cde29b42bPatchThird Party Advisory
- https://github.com/mruby/mruby/issues/4038Issue TrackingThird Party Advisory
FAQ
What is CVE-2018-12248?
CVE-2018-12248 is a vulnerability with a CVSS score of 7.5 (HIGH). An issue was discovered in mruby 1.4.1. There is a heap-based buffer over-read associated with OP_ENTER because mrbgems/mruby-fiber/src/fiber.c does not extend the stack in cases of many arguments to ...
How severe is CVE-2018-12248?
CVE-2018-12248 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-12248?
Check the references section above for vendor advisories and patch information. Affected products include: Mruby Mruby.